title: Echinococcosis alveolaris in Qinghai Province.
mesh_terms: D000293:Adolescent; D000328:Adult; D002681:China; D002769:Cholelithiasis / Q000209:etiology; D004444:Echinococcosis, Hepatic / Q000473:pathology*; D005260:Female; D006801:Humans; D008099:Liver / Q000473:pathology; D008168:Lung / Q000473:pathology; D008297:Male; D008875:Middle Aged